Metal working – Method of mechanical manufacture – Combined manufacture including applying or shaping of fluent...
Patent
1995-09-11
1997-12-16
Arbes, Carl J.
Metal working
Method of mechanical manufacture
Combined manufacture including applying or shaping of fluent...
403126, B21B 142
Patent
active
056971427
ABSTRACT:
A ball joint comprises a metallic stud bolt having a male screw on one end side thereof and a spread portion on the other end side, a resin ball member of synthetic resin having a spherical portion covering the spread portion, and a ball seat of synthetic resin having a spherical recess in which the spherical portion is fitted for relative rotation and rocking motion. A nut is fitted on the male screw. A noncircular detent portion including serrations or the like is formed on the outer peripheral surface of the spread portion. A flange portion is formed integral with the stud bolt on the intermediate portion thereof in the axial direction. The resin ball member has a cylindrical portion integral therewith, and a dust cover fixing projection is formed integral with the cylindrical portion. An end portion of a dust cover is held between the projection and the flange portion.
REFERENCES:
patent: 3387871 (1968-06-01), Gottschald
patent: 3959872 (1976-06-01), Abe
patent: 4629352 (1986-12-01), Nemoto
patent: 4954006 (1990-09-01), Suzuki et al.
patent: 5011321 (1991-04-01), Kidokoro
patent: 5044811 (1991-09-01), Suzuki et al.
Arbes Carl J.
NHK Spring Co. Ltd.
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